Dell PowerVault 725N (Rackmount NAS Appliance) - Manual (Page 13)

Table 3-2. Back-Panel LED Codes
System Messages
System messages alert you to a possible hardware problem during system boot.
To view system messages, perform the following steps:
1. Connect a keyboard, mouse, and monitor to the NAS system and enter the System Setup utility by pressing during system boot.
For information about the System Setup utility, see " Using the System Setup Utility ."
2. From the Advanced menu, select Event Log Configuration.
3. Select View Event Log and press .
Table 3 -3 lists the system error messages and the probable cause for each message.
Table 3-3. System Messages
LED Indicator Normal Operation Error Condition
Power supply
NOTE: The 230-W power
supply does not have an LED
indicator.
Steady green indicates that the system is
receiving power from a power source and the
system is turned on.
Blinking green indicates that the system is
receiving power, but the system is not turned on.
Steady amber indicates the power supply has either shut down
because temperatures or voltages are outside threshold limits, or the
power supply has failed.
Off indicates that the system is not receiving power from a power
source or the power supply has failed.
NIC activity Flashing green indicates network data is being
sent or received.
When off at the same time the link indicator is off, the NIC is not
connected to the network.
NIC link Steady amber indicates that the NIC is
connected to a valid link partner on the network.
When off at the same time the activity indicator is off, the NIC is not
connected to the network.
NOTE: While it is recommended that you use a keyboard, mouse, and monitor to access the System Setup utility, you can also use console redirection
from a client system connected by serial cable to the NAS system. For more information about using console redirection, see "Using Console Redirection"
in the Installation and Troubleshooting Guide.
NOTE: If the View Event Log option is not present, then no event logs are available.
Message Cause Corrective Action
HDD Controller
Failure
BIOS cannot communicate with the hard-
drive controller.
Check the connections to the hard drive. See " RAID Controller ."
CMOS Battery Low
The battery on the system is low or
faulty.
Replace the system battery. See " Replacing the Battery ." If the problem persists, replace
the system board. See " Removing the System Board/Backplane Board Assembly ."
CMOS Checksum Bad
The checksum value (CMOS RAM
settings) differs from the current value.
In the System Setup utility, select to autoload the optimal setting. See " Using the System
Setup Utility ."
CMOS Time and
Date Not Set
The BIOS does not have date and time
values.
Use the System Setup utility to set the time and date. See " Using the System Setup Utility ."
Pri Master HDD
error
Primary hard drive is not responding. Replace the primary hard drive. See " Removing a Hard Drive ."
Sec Master HDD
error
Secondary hard drive is not responding. Replace the secondary drive. See " Removing a Hard Drive ."
Cache Memory
Error
Cache memory is defective. Disable the cache in the System Setup utility. See " Using the System Setup Utility ."